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IEC 60870-5-104 Server to Modbus Master/Slave

5201-104S-MCM

The ProLinx family IEC60870-5-104 Server to Modbus Master/Slave communications module (5201-104S-MCM) creates a powerful connection between devices on a Modbus network and an IEC 104 client device. The module is a stand-alone DIN-rail mounted protocol gateway that provides one Ethernet port and up to four serial ports.

The 104S module accepts commands from an attached master unit on the network and generates unsolicited messages.

The Modbus (MCM) protocol driver supports Master and Slave implementations of the protocol. All Modbus serial ports are individually configurable, providing a very powerful and flexible host or device interface solution.

Características y Beneficios

Applications

The 104S-MCM modules are the ideal solution for the many applications where Modbus connectivity can be used to integrate an IEC 104 slave device into a system. The Modbus gateway is a powerful module designed with both Master and Slave support, enabling easy connection to other Modbus devices (Modicon processors and many others). In combination with the IEC60870-5-104 Server device support, the module provides a very powerful interface to the many IEC 104 client devices which are in use in the industrial marketplace today. Applications for the module are found in most industries, especially the Manufacturing, Oil and Gas, Electrical Power and Food Processing.

Aplicaciones

The 104S-MCM modules are the ideal solution for the many applications where Modbus connectivity can be used to integrate an IEC 104 slave device into a system. The Modbus gateway is a powerful module designed with both Master and Slave support, enabling easy connection to other Modbus devices (Modicon processors and many others). In combination with the IEC60870-5-104 Server device support, the module provides a very powerful interface to the many IEC 104 client devices which are in use in the industrial marketplace today. Applications for the module are found in most industries, especially the Manufacturing, Oil and Gas, Electrical Power and Food Processing.

Especificaciones

Internal Database

The ProLinx module contains an internal database that consists of areas for application data, status information, and configuration information.

The internal database is shared between all ports on the module and is used as a conduit to pass information from a device on one network to one or more devices on another network.

Application Data Area

The data area is used to store and retrieve data by the protocol drivers and for data exchange between protocols. The database is used as a source for write commands to remote devices and holds data collected from the remote devices. Commands defined in the configuration file (stored in the configuration data area) control how the data is to be handled in the database.

Status Data Area

This area is used to store error codes, counters, and port status information for each port.

Configuration Data Area

This area contains module configuration information such as port configuration, network information, and command configuration. This configuration file is downloaded to, or uploaded from, this area.

Protocolos

104S Protocol Specification

The 104S module accepts commands from an attached master unit on the network and generates unsolicited messages.

Protocol Specifications

Operating in the Server mode, the protocol driver can accept commands from one client at a time to read/write data stored in the module's internal registers. It supports redundant applications with two simultaneous client connections. However, it only transfers data to one of the clients at a time.

The 104S module acts as an input/output module between the IEC 60870-5-104 Ethernet network and many of the other serial and network protocols, as well as several proprietary interfaces.

The 104S module accepts commands from an attached master unit on the network and generates unsolicited messages. These last sets of messages are either spontaneous or cyclic. Data transferred to the host is derived from the module's internal database. The remote master device can control data in the database and hence the devices connected using the other protocol in the module using standard control messages supported in the protocol. The remote master device uses the fully-configured databases in the module to control outputs and monitor inputs.

MBS Protocol Specifications

MBS Protocol Specifications

Protocol Specifications

Modbus Master

A port configured as a virtual Modbus Master actively issues Modbus commands to other nodes on the Modbus network. The Master ports have an optimized polling characteristic that polls slaves with communication problems less frequently.

Command List

Up to 100 commands per Master port, each fully configurable for function, slave address, register to/from addressing and word/bit count.

Polling of Command List

Configurable polling of command list, including continuous and on change of data, and dynamically user or automatic enabled.

Status Data

Error codes available on an individual command basis. In addition, a slave status list is maintained per active Modbus Master port.

Modbus Slave

A port configured as a Modbus slave permits a remote Master to interact with all data contained in the module. This data can be derived from other Modbus slave devices on the network, through a Master port, or from the module.